CN221093499U - Multi-point support bridge crane - Google Patents
Multi-point support bridge crane Download PDFInfo
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- CN221093499U CN221093499U CN202323343603.5U CN202323343603U CN221093499U CN 221093499 U CN221093499 U CN 221093499U CN 202323343603 U CN202323343603 U CN 202323343603U CN 221093499 U CN221093499 U CN 221093499U
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- fixedly connected
- motor
- wall
- bridge crane
- bottom fixedly
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- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 21
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The utility model discloses a multi-point support bridge crane, which relates to the technical field of bridge portal cranes and comprises a wall body, wherein an upper rail is fixedly connected to the bottom of the wall body, a driving trolley is connected to the outer wall of the upper rail in a sliding manner, a motor I is fixedly connected to the left side of the driving trolley, a roller I is fixedly connected to the output end of the motor I, a fixing rod I is fixedly connected to the bottom of the driving trolley, a main beam is fixedly connected to the bottom of the fixing rod I, end beams are fixedly connected to the bottoms of the two sides of the main beam, a roller II is rotatably connected to the bottoms of the end beams, and a motor II is fixedly connected to the top of the main beam. According to the utility model, the fixing plate is driven to move downwards by the downward movement of the first stress, the limiting plate is driven to move downwards by the fixed connection of the fixing rod, the spring is compressed by the downward movement of the limiting plate, and the limiting plate is driven to move upwards by the elastic action of the spring, so that the device is buffered, and the service life of the device is prolonged.
Description
Technical Field
The utility model relates to the technical field of portal cranes, in particular to a multipoint support bridge crane.
Background
The portal crane is a common hoisting device in enterprises and is widely applied to factories, mines and wharfs. The common bridge crane consists of an end beam, a main beam, a trolley winch and the like, wherein the main beam is one of the most main stress parts of the bridge crane. The rigidity and strength of the main girder directly relate to the safety performance of the crane, and the main girder is usually formed by welding steel plates into a box body. Because bridge crane span is great, current bridge crane atress relies on girder and the end beam that is located the girder both sides to bear entirely, and two end beam support girders form the mechanics structure of simple beam. In order to ensure that the crane has enough rigidity and strength requirements, enough girder height and width dimensions are required to be ensured during manufacturing, and the rigidity and strength of the crane are ensured to meet the specified requirements. For bridge cranes of large-span and low-clearance workshops, the large size of the main beam not only brings more main beam manufacturing materials and increases the dead weight of the main beam, but also has limited installation space of the main beam, reduces the lifting height and integrally promotes the manufacturing cost of the crane.
For example, chinese patent publication No. CN212198213U discloses a multi-point support bridge crane, which increases N upper rails fixed on a house structure on the basis of a basic bridge crane, installs a driving trolley on each rail, and connects each driving trolley with a main beam through a main beam connecting rod to form an upper supporting point, so that the stress state of a simply supported beam supported by two end beams of the main beam is changed, and a multi-supporting beam stress is formed, thereby greatly reducing the requirements of the main beam on rigidity and strength, and realizing the lightweight manufacturing of the bridge crane.
The following problems exist in the prior art:
In the prior art, when the material is lifted to the highest point, the material can move continuously under the action of inertia, so that the device can be damaged, and the service life of the device can be influenced; and the device is when lifting by crane, is not enough to the fastness of material, is inconvenient to lifting by crane and transport the material.
Disclosure of utility model
The utility model provides a multi-point support bridge crane to solve the problems in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The utility model provides a multiple spot support bridge crane, includes the wall body, the bottom fixedly connected with of wall body goes up the track, go up orbital outer wall sliding connection has the drive dolly, the left side fixedly connected with motor of drive dolly is first, the output fixedly connected with gyro wheel of motor is first, the bottom fixedly connected with dead lever is first of drive dolly, the bottom fixedly connected with girder of dead lever is first, the bottom fixedly connected with end beam of girder both sides, the bottom of end beam rotates and is connected with gyro wheel second, the top fixedly connected with motor second of girder, the output fixedly connected with pivot of motor second, the outer wall engagement of pivot is first has the threaded rod, the outer wall threaded connection of threaded rod is first has the slider.
The technical scheme of the utility model is further improved as follows: the inner wall sliding connection of slider has dead lever two, the top fixedly connected with limiting plate of dead lever two, the bottom fixedly connected with spring of limiting plate.
The technical scheme of the utility model is further improved as follows: the bottom fixedly connected with fixed plate one of dead lever two, the bottom fixedly connected with lifting trolley of fixed plate one, lifting trolley's inner wall fixedly connected with motor three.
The technical scheme of the utility model is further improved as follows: the output end of the motor III is fixedly connected with a rotating shaft II, the outer wall of the rotating shaft II is fixedly connected with a roller, and the outer wall of the roller is fixedly connected with a steel rope I.
The technical scheme of the utility model is further improved as follows: the bottom fixedly connected with fixed frame of steel cable one, the top fixedly connected with motor four of fixed frame, the output fixedly connected with threaded rod two of motor four, the outer wall threaded connection of threaded rod two has fixed plate two.
The technical scheme of the utility model is further improved as follows: the inner wall sliding connection of fixed plate II has the gag lever post, the bottom fixedly connected with auxiliary hook of fixed plate II, the bottom fixedly connected with main hook of fixed frame.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. The utility model provides a multi-point support bridge crane, which is characterized in that a fixing rod is driven to move downwards by downwards movement of a first fixed plate under the action of force, and the fixing rod drives a limiting plate to move downwards and compress a spring under the action of fixed connection, and the spring drives the limiting plate to move upwards under the action of elasticity, so that the device is buffered, and the service life of the device is prolonged.
2. The utility model provides a multi-point support bridge crane, which is characterized in that a main hook is used for fixing a material to be lifted, a fourth starting motor is used for driving a second threaded rod to rotate, and the second threaded rod drives a fixing plate to move downwards under the action of threaded connection, so that an auxiliary hook is driven to move downwards and further fix the material, and the material is more firmly lifted.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of the present utility model at A;
FIG. 3 is a schematic view of the main beam structure of the present utility model;
FIG. 4 is a schematic view of a slider according to the present utility model;
Fig. 5 is a schematic structural view of a fixing frame of the present utility model.
In the figure: 1. a wall body; 11. an upper rail; 12. driving a trolley; 13. a first motor; 14. a roller I; 15. a first fixed rod; 2. a main beam; 21. an end beam; 22. a second roller; 23. a second motor; 24. a first rotating shaft; 3. a first threaded rod; 31. a slide block; 32. a second fixing rod; 33. a limiting plate; 34. a spring; 35. a first fixing plate; 4. a lifting trolley; 41. a third motor; 42. a second rotating shaft; 43. a roller; 44. a first steel rope; 5. a fixed frame; 51. a fourth motor; 52. a second threaded rod; 53. a second fixing plate; 54. an auxiliary hook; 55. a main hook; 56. and a limit rod.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-5, the utility model provides a multi-point support bridge crane, which comprises a wall body 1, wherein the bottom of the wall body 1 is fixedly connected with an upper rail 11, the outer wall of the upper rail 11 is slidably connected with a driving trolley 12, the left side of the driving trolley 12 is fixedly connected with a motor I13, the output end of the motor I13 is fixedly connected with a roller I14, the bottom of the driving trolley 12 is fixedly connected with a fixed rod I15, the bottom of the fixed rod I15 is fixedly connected with a main beam 2, the bottoms of two sides of the main beam 2 are fixedly connected with end beams 21, the bottom of the end beam 21 is rotatably connected with a roller II 22, the top of the main beam 2 is fixedly connected with a motor II 23, the output end of the motor II 23 is fixedly connected with a rotating shaft I24, the outer wall of the rotating shaft I24 is meshed with a threaded rod I3, and the outer wall of the threaded rod I3 is in threaded connection with a sliding block 31.
In this embodiment, the fixing rod 15 provides an upward supporting point for the main beam 2, and the supporting force generated by the supporting point counteracts a part of the dead weight of the main beam 2 and the gravity of the material, so that the load bearing load of the main beam 2 is reduced.
Example 2
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the inner wall sliding connection of slider 31 has dead lever two 32, the top fixedly connected with limiting plate 33 of dead lever two 32, the bottom fixedly connected with spring 34 of limiting plate 33, the bottom fixedly connected with dead plate one 35 of dead lever two 32, the bottom fixedly connected with lifting trolley 4 of dead plate one 35, the inner wall fixedly connected with motor three 41 of lifting trolley 4, the output fixedly connected with pivot two 42 of motor three 41, the outer wall fixedly connected with cylinder 43 of pivot two 42, the outer wall fixedly connected with steel cable one 44 of cylinder 43.
In this embodiment, the fixing plate 35 is forced to move downwards to drive the fixing rod two 32 to move downwards, the fixing rod two 32 drives the limiting plate 33 to move downwards through the action of fixed connection and compresses the spring 34, and the spring 34 drives the limiting plate 33 to move upwards through the elastic action, so that the buffering effect on the device is achieved, and the service life of the device is prolonged.
Example 3
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the bottom fixedly connected with fixed frame 5 of steel cable one 44, the top fixedly connected with motor four 51 of fixed frame 5, the output fixedly connected with threaded rod two 52 of motor four 51, the outer wall threaded connection of threaded rod two 52 has fixed plate two 53, the inner wall sliding connection of fixed plate two 53 has gag lever post 56, the bottom fixedly connected with auxiliary hook 54 of fixed plate two 53, the bottom fixedly connected with primary hook 55 of fixed frame 5.
In this embodiment, the material to be lifted is fixed by the main hook 55, the second threaded rod 52 can be driven to rotate by the fourth starting motor 51, and the second threaded rod 52 drives the second fixing plate 53 to move downwards under the action of threaded connection, so that the auxiliary hook 54 is driven to move downwards and further fix the material, and the material is more firmly lifted.
The working principle of the multi-point support bridge crane is specifically described below.
As shown in fig. 1-5, when the device is used, the material to be lifted is fixed through the main hook 55, the second threaded rod 52 can be driven to rotate through the fourth starting motor 51, the second threaded rod 52 drives the second fixing plate 53 to move downwards through the action of threaded connection, so that the auxiliary hook 54 is driven to move downwards and further fix the material, the material is more firm when lifted, the third starting motor 41 can drive the second rotating shaft 42 to rotate, so that the first rotating drum 43 is driven to rotate and wind up the first steel rope 44, so that the first fixing frame 5 moves upwards and lifts the material, after the material is lifted to a specified position, the material continues to move upwards for a certain distance due to inertia, the second fixing frame 5 is driven to move downwards through the action of gravity, so that the trolley 4 is driven to move downwards and apply a downward force to the first fixing plate 35, the second fixing rod 32 is driven to move downwards through the downward force of the first fixing plate 35, the fixed rod II 32 drives the limiting plate 33 to move downwards through the action of fixed connection and compresses the spring 34, the spring 34 drives the limiting plate 33 to move upwards through the elastic action, so that the buffering effect is achieved on the device, the service life of the device is prolonged, the rotating shaft I24 can be driven to rotate through the starting motor II 23, the threaded rod I3 is driven to rotate through the meshed action by the rotating shaft I24, the sliding block 31 is driven to move left and right so that the lifted material can move left and right, the roller I14 can be driven to rotate through the starting motor I13, the driving trolley 12 can move back and forth along the upper track 11, the driving trolley 12 drives the fixed rod I15 to move back and forth through the action of fixed connection, so that the main beam 2 is driven to move back and forth so that the lifted material can move back and forth, an upward supporting point is provided for the main beam 2 through the action of the fixed rod I15, the supporting force generated by the supporting point counteracts the dead weight of a part of the main beam 2 and the gravity of the material, thereby reducing the bearing load of the main beam 2.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a multiple spot supports bridge crane, includes wall body (1), its characterized in that: the utility model discloses a wall body, including wall body (1), upper rail (11) of bottom fixedly connected with, upper rail (11)'s outer wall sliding connection has driving trolley (12), driving trolley (12)'s left side fixedly connected with motor (13), motor (13) output fixedly connected with gyro wheel (14), driving trolley (12) bottom fixedly connected with dead lever (15), dead lever (15) bottom fixedly connected with girder (2), girder (2) bottom fixedly connected with end beam (21) of both sides, end beam (21) bottom rotation is connected with gyro wheel two (22), girder (2) top fixedly connected with motor two (23), motor two (23) output fixedly connected with pivot one (24), the outer wall meshing of pivot one (24) has threaded rod one (3), threaded rod one (3) outer wall threaded connection has slider (31).
2. A multi-point support bridge crane according to claim 1, wherein: the inner wall sliding connection of slider (31) has dead lever two (32), the top fixedly connected with limiting plate (33) of dead lever two (32), the bottom fixedly connected with spring (34) of limiting plate (33).
3. A multi-point support bridge crane according to claim 2, wherein: the bottom fixedly connected with fixed plate one (35) of dead lever two (32), the bottom fixedly connected with lifting trolley (4) of fixed plate one (35), the inner wall fixedly connected with motor three (41) of lifting trolley (4).
4. A multi-point support bridge crane according to claim 3, wherein: the output end of the motor III (41) is fixedly connected with a rotating shaft II (42), the outer wall of the rotating shaft II (42) is fixedly connected with a roller (43), and the outer wall of the roller (43) is fixedly connected with a steel rope I (44).
5. The multi-point support bridge crane of claim 4, wherein: the bottom fixedly connected with fixed frame (5) of steel cable one (44), the top fixedly connected with motor four (51) of fixed frame (5), the output fixedly connected with threaded rod two (52) of motor four (51), the outer wall threaded connection of threaded rod two (52) has fixed plate two (53).
6. The multi-point support bridge crane of claim 5, wherein: the inner wall sliding connection of fixed plate two (53) has gag lever post (56), the bottom fixedly connected with auxiliary hook (54) of fixed plate two (53), the bottom fixedly connected with main hook (55) of fixed frame (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323343603.5U CN221093499U (en) | 2023-12-08 | 2023-12-08 | Multi-point support bridge crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323343603.5U CN221093499U (en) | 2023-12-08 | 2023-12-08 | Multi-point support bridge crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221093499U true CN221093499U (en) | 2024-06-07 |
Family
ID=91329491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323343603.5U Active CN221093499U (en) | 2023-12-08 | 2023-12-08 | Multi-point support bridge crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221093499U (en) |
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2023
- 2023-12-08 CN CN202323343603.5U patent/CN221093499U/en active Active
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